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The UnXplained

Season 5, episode 9. This player now records resume state for the active profile so browse, account, and detail pages can bring you back here quickly.

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S5 E9

Extraordinary Structures

Throughout the world, there are ancient structures that defy explanation because even with today's technology they would be nearly impossible to duplicate. How were ancient civilizations able to build such extraordinary structures? And what purpose did they serve?

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Season 5

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Episode 1: Lost Cities

Episode 2: Tales of the Dearly Departed

Episode 3: Curses Unleashed

Episode 4: Earth's Unsolved Mysteries

Episode 5: The Power of Prophecy

Episode 6: Mysterious Monsters

Episode 7: Sacred Rituals

Episode 8: UFO Hotspots

Episode 9: Extraordinary Structures

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Episode 10: Holy Relics